Arithmetic and Number Concepts Question
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The local library needs a set of stairs designed for a new addition. The vertical distance between the two floors is 156". The design is limited to a maximum horizontal distance of 170" and the stairs and landing (if there is one) must be 60" wide. Which option below would be the best design for these stairs?
- A straight staircase.
- Two flights of stairs with a landing.
- Three flights of stairs with two landings.